Is there anyone out there? Does the popular movie quote 'ET phone home' have any substance? Astronomers have been pointing their radio telescopes at the skies for decades trying to pick up alien signals, so far without success. But now there's a new way of looking for aliens. Hitch a ride with Dr ...

Is there anyone out there? Does the popular movie quote 'ET phone home' have any substance? Astronomers have been pointing their radio telescopes at the skies for decades trying to pick up alien signals, so far without success. But now there's a new way of looking for aliens. Hitch a ride with Dr ...